A spiritual vortex among the red rocks in Sedona.

The unusual patterns in this rock formation result from two distinct modes of weathering.

A tunnel with windows, so you don't miss out on the impressive views.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

Ecuador’s historic seat of government has been quietly looted in recent decades, and no one knows how or by whom.

Quito's historic, main square dates back to the 16th century.

The world's tallest aluminum statue is also the world's tallest image of a winged Virgin Mary.

Legend says if this neo-Gothic basilica is ever officially completed, the world will come to an end.

Home of the "true" equator.

An elaborate shrine dedicated to the four corners of the world unfortunately misses its mark.

Two massive rock outcroppings on the Oregon coastline.

A massive sea stack famous for its appearance in The Goonies.

The flow from this waterfall sometimes comes out of springs below its rim.

Formerly known as National D-Day Museum, this collection commemorates the battles of Normandy and WWII.

Hike amid the palm trees that thrive among Southern California's Indio Hills.

A second generation sun-powered marvel lights up the night.

An Old West film set seen in countless TV shows and movies is open for the public to explore.

California's oldest wind harp represents a historic piece of America's Danish history.

Steinbeck's old stomping grounds, immortalized in Cannery Row.

This remarkably simple jail went over a century without an escape.

An airy would-be solution to a housing shortage.

Originally the home of chewing gum mogul William Wrigely Jr, it is now the official offices of the Tournament of Roses.

A bigger-than-life pun that has become a beacon of altruism.